Daniel,

Thank you for the information. Are you referring to: "16 (bit at index 4 - 1 
<<4) - skip DNS A/AAAA resolve at startup, useful when the hostname of the 
destination address is a NAPTR or SRV record only. Such addresses cannot be 
matched anymore with ds_is_from_list(...)."

I looked at that but I'm using Siremis to configure Kamailio and when I go into 
Siremis dispatcher list, for flags, it only has 0, 1, 4, 8, and 9 as options. 
Is it possible that the version of Siremis I'm running is prior to them 
implementing these flags?

Thanks,
Jesse

From: Daniel-Constantin Mierla <mico...@gmail.com>
Sent: Thursday, January 31, 2019 2:59 AM
To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>; Jesse 
Strahn <jesse.str...@waterfield.com>
Subject: [EXTERNAL] Re: [SR-Users] Kamailio/dispatcher routing with SRV record


Hello,

in the past, the only limitation was for sending option keepalives for 
destinations that had SRV only. That can be controlled now via a flag, see the 
description for 16 at:

  - 
https://www.kamailio.org/docs/modules/devel/modules/dispatcher.html#dispatcher.p.ds_probing_mode<https://url.emailprotection.link/?aCFTcbKVooHCRJNH0yHK4vSswi6k9tiBaZVGd6tfwfJ226KS34r0EbRkLVQ4c_UWlckkQ8ffgyV0RG2ccqBhCy3xSap-uA67acLkztv2GYP5MD20sbLGiVBiyzS_wOz_-Nmq_N1oHko9D7qUbZi8VQjER67UHs-N2zhaSIrNdPzI~>

Otherwise, for routing, it should just work, but the dispatcher is not fetching 
the addresses behind the SRV record, that is done by tm+core at the time of 
sending out, dispatcher will still maintain a single record with the domain 
name.

Cheers,
Daniel
On 30.01.19 23:39, Jesse Strahn wrote:
Is it possible to route to the back-end SIP servers via DNS SRV record rather 
than specifying multiple IP addresses in the dispatcher list on the Kamailio 
server?

Running in AWS and looking to be able to dynamically update my list of 
available sip servers if a server goes offline or if a server comes online. 
Have Cloudwatch/Lambda setup to manipulate the SRV record with the IP address 
additions or subtractions but when I try to put the SRV record as the 
destination in dispatcher, it fails.



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